CVE-2017-2524

CRITICAL

iPhone OS < 10.3.2, macOS < 10.12.5, tvOS < 10.2.1, watchOS < 3.2.2 - Remote Code Execution in TextInput Component

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2017-2524. PoCs published by Google Security Research.

AI-analyzed exploit summary This exploit demonstrates a heap buffer overflow in the TIKeyboardLayout class of the TextInput framework on iOS/macOS. The vulnerability arises from a mismatch between the allocated buffer size (rounded down to the nearest multiple of 8) and the actual length used in a memcpy operation, leading to a controlled overflow.

Description

An issue was discovered in certain Apple products. iOS before 10.3.2 is affected. macOS before 10.12.5 is affected. tvOS before 10.2.1 is affected. watchOS before 3.2.2 is affected. The issue involves the "TextInput" component. It allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via crafted data.

Exploits (1)

exploitdb WORKING POC VERIFIED
by Google Security Research · textdosmultiple
https://www.exploit-db.com/exploits/42051

This exploit demonstrates a heap buffer overflow in the TIKeyboardLayout class of the TextInput framework on iOS/macOS. The vulnerability arises from a mismatch between the allocated buffer size (rounded down to the nearest multiple of 8) and the actual length used in a memcpy operation, leading to a controlled overflow.

Classification
Working Poc 90%
Attack Type
Other
Complexity
Moderate
Reliability
Reliable
Target: Apple TextInput framework (iOS/macOS 10.12.3)
No auth needed
Prerequisites: Access to a vulnerable iOS/macOS device · Ability to deliver a malicious serialized object
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (7)

Core 7
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1038484
Vendor Advisory x_refsource_confirm
https://support.apple.com/HT207797
Vendor Advisory x_refsource_confirm
https://support.apple.com/HT207800
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/98468
Exploit, Third Party Advisory, VDB Entry exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/42051/
Vendor Advisory x_refsource_confirm
https://support.apple.com/HT207798
Vendor Advisory x_refsource_confirm
https://support.apple.com/HT207801

Scores

CVSS v3 9.8
EPSS 0.0673
EPSS Percentile 93.1%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-119
Status published
Products (4)
apple/iphone_os < 10.3.2
apple/mac_os_x < 10.12.5
apple/tvos < 10.2.1
apple/watchos < 3.2.2
Published May 22, 2017
Tracked Since Feb 18, 2026